Dilator



rectum and associated p from the blades.`

Y The lower` extremi 1 T is connected at the rear to slide on a curvedsupport or yoke attached at one end to the lower rear extremity of thekother blade.

Patented Nov. 11, 1930 L AHENRY F. een, oncinciimafii, oiiio iApplication filed December 1 'Biberon This invention relatesparticularly toi a dilator belonging Vto aA clas ments used principallyfor minor I have evolved, as a new facture, a dilator,

simple in in use,

operations.

construction,

its contour, shape,

s of surgical instru# for examination and article of manucheap ofmanufacture, and highly efficient and arrangement of parts adding greatutility to the same.

The vusual forms o f dilators have a considerable tendency to distortVthe vagina,

arts and thereby make a manual or binianual examination somewhat dilateris easi uncertain.

ly inserted iar contour and shape of her with the oblique arted to theblades and on ac- Vor sides by the connecting support, the

vagina or the rectum same time shieldsy or the sleeve dilated and at theforced inward, the great expansion and guards, and

The blades and guide that in the desired predeterm ing, the pressure onrt being to the e free use ofthe hands or end and where the tissue bythus expanding ee of distortion, at

end, does f two suitably shaped are expanded at their flanges which actas which extend outward ty ofone of these blades toa sleeve adapted areso attached to they come together for insertion and travel ined path inopenthe blades by the wallsV of the vagina, or the rectum, causing thedevice to remain opened'as adjusted.

My dilat rectal abd ondary muscular spasmo ing exerted upon theexamining finger or fingers in may be.

the vagina or This is obtaine or permits a vaginal abdominal or ominalbimanual without a secdic contraction berectum as the case d without anydiss, 1926,' serial No. 154,471. l

tortion, displacement or malposition offa'ny of the internal organs ortissues.

The various novel features of the invention whereby the Adesired results'are obtainedwill be more fully set. forth bv reference tothe V55.accompanying drawings and description and' will be Vmore full d linedbythe'appended calms."k

in ve0 Fig.'4,is a of the' blades, and y Fig. 5, is a perspective viewof my dilator, opened@v V7.0 As illustrated inthe drawings theblades orwings 1 and 2 arev made of any 'suitable material and are sol formedandof such conf tour'asto prevent iniury to the delicate tissue andatthe same time admit of easy insertion. At they re'aroffblades 1- and2, respectively, I provide flanges 3 and 4 pref,- erably integraltherewith. These yfl'anges'are wider to the sides 5 and 6v than eithertop 7 and 8. or bottom 9 .and 10, in orderthatthey mayl hold back thetissue a's'they are expanded. `The `lower rearextremity ofthe blade-2 isrigidly secured toa yoke '.15 and the lower vrear extremitylfof the.bladelis' Y rigidlysecured to a sleeve 14 adaptedto slide easilyonv the'yoke 15. Y

The yoke 15 and the sleeve'14 are soformed and attached to the blades 1and 2, thattheA sleeve 14attaehed to blade 1, will slide past blade 2at'its-point of attachment to `yoke 15 and likewise thefyoke 15 attachedto blade 2 will slide past blade 1 at the point of attachment to ,sleeve14, causing the yoke 15 and sleeve 14-to telescope in such mannerthatwhen the blades'are open, 5,-the yoke15 and sleeve 14 will be within thelimits of the blades1and2. V, ;=The blades 1 and 2.are preferably` madeof light material andare cut away in the center to form open spaces 12and 13 in order lthat 100 i ofthefyoke,y said bladesbeing"co-opera'tivelyv f x mounted by entry of the yoke into tliefsleeve:i theym'ay hold in position more firmly `and examination.

y attthe same time giving more yfreedomfor The blades 11 and l2 l:arecutaway at vthe upper rear, see parts marked 17 and 18, to

A,afford a maeimumv opening at the upper Side with a minimumtamount ofexpansion. f The pos1t1on,vas shown'in Fig.V

and sety obliquely'rwith referenceto theiaxis 'i ;o,fthebitdttiftnaa HInfthe. operationof my-dilat'or theblades.

11and12 brought together` as shown-iniFirgs.- l

, `'and v2V areinserted in theava'gina' or therectum,ytheangfby,:force.applied'at9and l0 manually,

the blades l and2 are separatedand by reason of theiry ourvedpathofftravelduestocurved l, yokel'5`an`d:tliG-sleeve'l' slidingthereon theYblades l andZytare drawn inwardly being the flanges SandI tpressi'zjonYthe outerftissue vand when thus expanded vthe space'between 17 and 18 issuficient' for the purposes of exf aminatlon or for certain minoroperations,k

I have described the preferred constrution f j i 7, VV1,730,912

' Adilatorofithe class describedcompris,--

ing two blades, a supporting yoke andasup-v Y j portingsleevetelescopically received therein,

of the blades attached thereto,` said support ing'yoke inthe sleevevbeing' arcuate and eX-v tendingrfroma comlnonedge of theirrespectivebiadee so that movement ofthe blades away fromone anothereie'ots simultaneously a. bodily separationof the 'pendent vradialI"turning of :the blades away from one another, pressure on'the bladesserv- In testimtyfwtetetf, I aux myl Signature blades and indeeV each ofsaid telescoping membershaving one Aj'g 'to veffect frictiona-l bindingof the' Support i fyOltGiu/ld sleeve. l .Y p

so Y v 'restrained fom'jjundue inward?movementy by t of m invention, itwilhhoweverybe under; ffk

stoo that thesainefiscapable,of somechanges t and modifications and Iwish to be understood 'Y l as claimingl all v modifications and changeswhith'ttiifwithinitht stopt' of this Specim- 4tion,andtltitnet..ff

` 'VVhat I'elaim as newand-.my inventionand y desi-re to securebyLetter-s Patent-is: t,

,f "A ydil'atori-comprising5a pairof' blad falli"Vmembers-havingcurved*laterally`-flaring angesdisposed'substantiallytransversely of the'len'gth'andwidthxoftheblades,-apaii of Y, arcuat'etelescopically' sliding members', se i; `cureel'onejaiafzhtto thefianges :it.thetop'of the 'Y y f blades, the aro'fofj the telescopingmembers flying; infaf idowiwardlyf L'and forwardly inft 7'elinedpla'n'efrelative to fthe" anges whereby Y Y,

tofprovifdefors'elf binding rictional engage v pressure oft'issueslseparatedfbytheblades.

ateL sleeve', a' complementary -yok'eA slidab'le in secured to, anedgeof the sleevea'tthe slot and `ext'ending'in an'oblique planethereto, a comi- Vple'mentary blade on j the' proj ectingv portion andfrictionally retained in 'adjusted-posi# tionsbyengagement yof theyok-einthetsleeve' *A upon'opposingpressulresron the'blades.

eom-bination of a,longitudinallyslottedi aroul 'y 2. In afdevice of Ytheclass described there. l

I flso

